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1 answer:
Answer:
the anser is the first one
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Since the first equation already gives you y, substitute Y for 4x in the second equation.
y=4x
x+y=5
x+(4x)=5
5x=5
x=1
Now that you know x, plug in x for 1 in the first equation.
y=4(1)
y=4
Answer: (1,4)
Answer:

Step-by-step explanation:
use the formula 
so you would get
Those negatives becomes a positive and you get 4+8 = 12 and 0+7 = 7
you final answer would be 
Answer:
25.13ft
Step-by-step explanation:
The length of the fence will be the circumference.

Answer:
15.85
Step-by-step explanation:
P + 3.89 = 19.74
Subtract 3.89 from both sides to isolate the variable.
P = 15.85
Answer:First one is A apropprate two NA not apropprate three A
Step-by-step explanation:
XXXtentacion is that you